package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
//import com.sky.annotation.AutoFill;
import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
//import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
//import com.sky.enumeration.OperationType;
import com.sky.exception.DeletionNotAllowedException;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.DishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

//import java.time.LocalDateTime;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {
    @Autowired
    CategoryMapper categoryMapper;

    @Autowired
    DishMapper dishMapper;

    @Autowired
    SetmealMapper setmealMapper;

    /**
     * 分类新增
     * @param categoryDTO
     */
    @Override
    public void save(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        category.setStatus(StatusConstant.ENABLE);

//        category.setCreateTime(LocalDateTime.now());
//        category.setUpdateTime(LocalDateTime.now());
//
//        category.setCreateUser(BaseContext.getCurrentId());
//        category.setUpdateUser(BaseContext.getCurrentId());
        categoryMapper.save(category);
    }

    /**
     * 分类删除
     * @param id
     */
    @Override
    public void delete(Long id) {
        // 根据分类id查询菜品数量
        Integer dishCount = dishMapper.countCategoryId(id);
        if (dishCount > 0) {
            throw new DeletionNotAllowedException(MessageConstant.CATEGORY_BE_RELATED_BY_DISH);
        }

        // 根据分类id查询套餐数量
        Integer setmealCount = setmealMapper.countCategoryId(id);
        if (setmealCount > 0) {
            throw new DeletionNotAllowedException(MessageConstant.CATEGORY_BE_RELATED_BY_SETMEAL);
        }
        categoryMapper.delete(id);
    }

    /**
     * 分类停用启用
     * @param status
     * @param id
     */
    @Override
    public void startOrStop(Integer status, Long id) {
        Category category = Category.builder()
                .id(id)
                .status(status)
                .build();
        categoryMapper.update(category);
    }

    /**
     * 分类详情
     * @param id
     */
    @Override
    public void getById(Long id) {
        categoryMapper.getById(id);
    }

    /**
     * 分类修改
     * @param categoryDTO
     */
    @Override
    public void update(CategoryDTO categoryDTO) {
        Category category = Category.builder()
                .id(categoryDTO.getId())
                .name(categoryDTO.getName())
                .sort(categoryDTO.getSort())
                .build();
        categoryMapper.update(category);
    }

    /**
     * 分类分页
     * @param categoryPageQueryDTO
     * @return
     */
    @Override
    public PageResult pageQuery(CategoryPageQueryDTO categoryPageQueryDTO) {
        PageHelper.startPage(categoryPageQueryDTO.getPage(), categoryPageQueryDTO.getPageSize());
        Page<Category> page = categoryMapper.pageQuery(categoryPageQueryDTO);
        long total = page.getTotal();
        List<Category> records = page.getResult();
        return new PageResult(total, records);
    }

    /**
     * 分类列表
     * @param type
     * @return
     */
    @Override
    public List<Category> list(Integer type) {
        List<Category> category = categoryMapper.list(type);
        return category;
    }
}
